Themes are just INI-style text files that specify various settings for wallpapers and wallpapers. Windows itself often uses extensions to decide what to do when you click on a file for example, whether to view it harmlessly or to execute it riskily. Windows will automatically run them as all-powerful JavaScript programs not in the comparative safety of your web browser, but directly on your computer as local apps. Weve taught ourelves to be wary of the extent to which Windows itself misleads us.”]